Chain of custody receipt

Source #80777

Cryptographic attestation that the document below was captured in Goblin House's archive at the timestamp shown, with the hash listed. If the original URL goes dark or its content changes, this receipt remains as evidence of what the public record looked like at capture time.

TitleUSASpending.gov: PARAGON SOLUTIONS, INC. — Department of Defense contract 0002 ($1.06M)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_0002_9700_W912DQ10D3022_9700/
PublicationUSASpending.gov
Source typecontract
Date2011-01-10
EntityParagon Solutions
Captured2026-10-03T13:47:15.312Z UTC
Hash computed at2026-10-03T13:47:15.312Z UTC
SHA-2560a00d5a1af66542bafbbf99a7f95b94b1f108e1da7ec95856cf97fd09285e214
Content length482 bytes
Content preview (first 800 chars) 
{
  "internal_id": 272291372,
  "Award ID": "0002",
  "Recipient Name": "PARAGON SOLUTIONS, INC.",
  "Award Amount": 1061331,
  "Description": "ENVIRONMENTAL MANAGEMENT AND ISO SUPPORT",
  "Awarding Agency": "Department of Defense",
  "Awarding Sub Agency": "Department of the Army",
  "Start Date": "2011-01-10",
  "End Date": "2016-01-09",
  "awarding_agency_id": 1173,
  "agency_slug": "department-of-defense",
  "generated_internal_id": "CONT_AWD_0002_9700_W912DQ10D3022_9700"
}

Verifying this receipt

The hash above was computed as:

sha256( coalesce(url, '<no-url>') || '\n' || raw_content )

Anyone with a copy of the original document can verify the match:

  1. Take the URL field and the original document content.
  2. Concatenate url + '\n' + content and SHA-256 it.
  3. Compare to the SHA-256 row above.

Or POST the candidate content to /source/80777/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80777/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80777/receipt.json